US Bridges

SR 1 Northbound over Norfolk Southern

Good

New Castle County, Delaware · North of Wrangle Hill · Structure no. 1893N082

Built
1995
30 years old
Condition
Good
inspected June 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
30,557
2020 count
Owner
State
State Highway Agency

About this bridge

SR 1 Northbound over Norfolk Southern is a steel stringer/multi-beam or girder carrying SR 1 Northbound over Norfolk Southern in New Castle County, Delaware. It was built in 1995, so it is 30 years old, younger than the Delaware average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30,557 vehicles a day, roughly 9% of them trucks, projected to reach 37,980 by 2042. The structure is 65 ft (19.9 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 1 Northbound
CrossesNorfolk Southern
LocationNorth of Wrangle Hill
RouteState Highway 1
Coordinates39.58982, -75.66098
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating89 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length65 ft (19.9 m)
Longest span58 ft (17.7 m)
Deck width64 ft (19.4 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,557 (2020)
Projected traffic37,980 by 2042
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 1 Northbound over Norfolk Southern built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR 1 Northbound over Norfolk Southern in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2021.

How much traffic does SR 1 Northbound over Norfolk Southern carry?

About 30,557 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SR 1 Northbound over Norfolk Southern?

The structure is 65 ft (19.9 m) long with a longest span of 58 ft (17.7 m) and a deck 64 ft wide.

Who owns SR 1 Northbound over Norfolk Southern?

It is owned by the State Highway Agency.